saliva

Researchers still don’t have a treatment or cure for Alzheimer’s, but they’re coming closer to being able to predict who will develop the disease that robs the minds of millions of Americans every year. One long-term study presented this week at the Alzheimer’s Association International Conference in Washington found that a combination of memory tests, brain scans and body fluids can predict with about 80 percent accuracy whether a person without memory problems will develop the disease. Scientists at Johns Hopkins …

Why did Elvis Presley die sitting on the toilet? Whose flatulence is worse, men’s or women’s? How many pints of saliva do we produce every day? What causes morning breath? What three foods are most likely to kill someone? Do prisoners really smuggle stuff in their rectums? Science writer Mary Roach has examined something we do everyday -eat, chew, swallow, digest, defecate – and turned it into a rollicking, informative, downright funny explanation of everything that happens in our digestive …